#include <bits/stdc++.h>
using namespace std;
const int N=1e6+5;
int n;
int a[N];
int main()
{
	freopen("arena.in","r",stdin);
    freopen("arena.out","w",stdout);
	int T;
	cin>>T;
	while(T--){
		cout<<"0";
	}
	return 0;
}


